Home / 167,412.66-231,224.25-140,287.02

Finding the Fourth Proportional to 167,412.66, 231,224.25 and 140,287.02

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Solution

The fourth proportional to 167,412.66, 231,224.25 and 140,287.02 is: 193,759.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,412.66 : 231,224.25 = 140,287.02 : x
  2. Step 2: Convert to fraction form
    167,412.66/231,224.25 = 140,287.02/x
  3. Step 3: Cross multiply
    167,412.66x = 231,224.25 × 140,287.02
  4. Step 4: Simplify right side
    167,412.66x = 32,437,760,984.24
  5. Step 5: Solve for x
    x = 32,437,760,984.24/167,412.66
  6. Step 6: Final answer
    x = 193,759.31

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.